libstdc++-v3/ChangeLog:
* include/bits/stl_pair.h (__is_pair): Define for C++11 and
C++14 as well.
---
Tested powerpc64le-linux. Pushed to trunk.
libstdc++-v3/include/bits/stl_pair.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libstdc++-v3/include/bits/stl_pair.h
b/libstdc++-v3/include/bits/stl_pair.h
index e92fcad2d66..527fb9105f0 100644
--- a/libstdc++-v3/include/bits/stl_pair.h
+++ b/libstdc++-v3/include/bits/stl_pair.h
@@ -1189,12 +1189,18 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
template<typename _Tp1, typename _Tp2>
inline constexpr size_t tuple_size_v<const pair<_Tp1, _Tp2>> = 2;
+#endif
+#if __cplusplus >= 201103L
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wc++14-extensions" // variable templates
+#pragma GCC diagnostic ignored "-Wc++17-extensions" // inline variables
template<typename _Tp>
inline constexpr bool __is_pair = false;
template<typename _Tp, typename _Up>
inline constexpr bool __is_pair<pair<_Tp, _Up>> = true;
+#pragma GCC diagnostic pop
#endif
/// @cond undocumented
--
2.47.0
